A startup company is about to market a new health app.It decides to piolet the commercials during the Super Bowl.The company hopes that the name recognition will be worth the high cost of the ads. The goal of the company is that over 50% of the public recognize its brand name and associate it with health apps.The day after the game, a pollster contacts 500 randomly chosen adults and finds that 240 of them know that this company creates health apps.Would you recommend that the company continue to advertise during Super Bowls or other high cost ad slots?

a. Compute a 90% confidence interval for the true proportion.

b. Interpret your 90% confidence interval.